/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/
define('vs/basic-languages/csharp/csharp',["require", "exports"], function (require, exports) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    exports.language = exports.conf = void 0;
    exports.conf = {
        wordPattern: /(-?\d*\.\d\w*)|([^\`\~\!\#\$\%\^\&\*\(\)\-\=\+\[\{\]\}\\\|\;\:\'\"\,\.\<\>\/\?\s]+)/g,
        comments: {
            lineComment: '//',
            blockComment: ['/*', '*/']
        },
        brackets: [
            ['{', '}'],
            ['[', ']'],
            ['(', ')']
        ],
        autoClosingPairs: [
            { open: '{', close: '}' },
            { open: '[', close: ']' },
            { open: '(', close: ')' },
            { open: "'", close: "'", notIn: ['string', 'comment'] },
            { open: '"', close: '"', notIn: ['string', 'comment'] }
        ],
        surroundingPairs: [
            { open: '{', close: '}' },
            { open: '[', close: ']' },
            { open: '(', close: ')' },
            { open: '<', close: '>' },
            { open: "'", close: "'" },
            { open: '"', close: '"' }
        ],
        folding: {
            markers: {
                start: new RegExp('^\\s*#region\\b'),
                end: new RegExp('^\\s*#endregion\\b')
            }
        }
    };
    exports.language = {
        defaultToken: '',
        tokenPostfix: '.cs',
        brackets: [
            { open: '{', close: '}', token: 'delimiter.curly' },
            { open: '[', close: ']', token: 'delimiter.square' },
            { open: '(', close: ')', token: 'delimiter.parenthesis' },
            { open: '<', close: '>', token: 'delimiter.angle' }
        ],
        keywords: [
            'extern',
            'alias',
            'using',
            'bool',
            'decimal',
            'sbyte',
            'byte',
            'short',
            'ushort',
            'int',
            'uint',
            'long',
            'ulong',
            'char',
            'float',
            'double',
            'object',
            'dynamic',
            'string',
            'assembly',
            'is',
            'as',
            'ref',
            'out',
            'this',
            'base',
            'new',
            'typeof',
            'void',
            'checked',
            'unchecked',
            'default',
            'delegate',
            'var',
            'const',
            'if',
            'else',
            'switch',
            'case',
            'while',
            'do',
            'for',
            'foreach',
            'in',
            'break',
            'continue',
            'goto',
            'return',
            'throw',
            'try',
            'catch',
            'finally',
            'lock',
            'yield',
            'from',
            'let',
            'where',
            'join',
            'on',
            'equals',
            'into',
            'orderby',
            'ascending',
            'descending',
            'select',
            'group',
            'by',
            'namespace',
            'partial',
            'class',
            'field',
            'event',
            'method',
            'param',
            'property',
            'public',
            'protected',
            'internal',
            'private',
            'abstract',
            'sealed',
            'static',
            'struct',
            'readonly',
            'volatile',
            'virtual',
            'override',
            'params',
            'get',
            'set',
            'add',
            'remove',
            'operator',
            'true',
            'false',
            'implicit',
            'explicit',
            'interface',
            'enum',
            'null',
            'async',
            'await',
            'fixed',
            'sizeof',
            'stackalloc',
            'unsafe',
            'nameof',
            'when'
        ],
        namespaceFollows: ['namespace', 'using'],
        parenFollows: ['if', 'for', 'while', 'switch', 'foreach', 'using', 'catch', 'when'],
        operators: [
            '=',
            '??',
            '||',
            '&&',
            '|',
            '^',
            '&',
            '==',
            '!=',
            '<=',
            '>=',
            '<<',
            '+',
            '-',
            '*',
            '/',
            '%',
            '!',
            '~',
            '++',
            '--',
            '+=',
            '-=',
            '*=',
            '/=',
            '%=',
            '&=',
            '|=',
            '^=',
            '<<=',
            '>>=',
            '>>',
            '=>'
        ],
        symbols: /[=><!~?:&|+\-*\/\^%]+/,
        // escape sequences
        escapes: /\\(?:[abfnrtv\\"']|x[0-9A-Fa-f]{1,4}|u[0-9A-Fa-f]{4}|U[0-9A-Fa-f]{8})/,
        // The main tokenizer for our languages
        tokenizer: {
            root: [
                // identifiers and keywords
                [
                    /\@?[a-zA-Z_]\w*/,
                    {
                        cases: {
                            '@namespaceFollows': {
                                token: 'keyword.$0',
                                next: '@namespace'
                            },
                            '@keywords': {
                                token: 'keyword.$0',
                                next: '@qualified'
                            },
                            '@default': { token: 'identifier', next: '@qualified' }
                        }
                    }
                ],
                // whitespace
                { include: '@whitespace' },
                // delimiters and operators
                [
                    /}/,
                    {
                        cases: {
                            '$S2==interpolatedstring': {
                                token: 'string.quote',
                                next: '@pop'
                            },
                            '$S2==litinterpstring': {
                                token: 'string.quote',
                                next: '@pop'
                            },
                            '@default': '@brackets'
                        }
                    }
                ],
                [/[{}()\[\]]/, '@brackets'],
                [/[<>](?!@symbols)/, '@brackets'],
                [
                    /@symbols/,
                    {
                        cases: {
                            '@operators': 'delimiter',
                            '@default': ''
                        }
                    }
                ],
                // numbers
                [/[0-9_]*\.[0-9_]+([eE][\-+]?\d+)?[fFdD]?/, 'number.float'],
                [/0[xX][0-9a-fA-F_]+/, 'number.hex'],
                [/0[bB][01_]+/, 'number.hex'],
                [/[0-9_]+/, 'number'],
                // delimiter: after number because of .\d floats
                [/[;,.]/, 'delimiter'],
                // strings
                [/"([^"\\]|\\.)*$/, 'string.invalid'],
                [/"/, { token: 'string.quote', next: '@string' }],
                [/\$\@"/, { token: 'string.quote', next: '@litinterpstring' }],
                [/\@"/, { token: 'string.quote', next: '@litstring' }],
                [/\$"/, { token: 'string.quote', next: '@interpolatedstring' }],
                // characters
                [/'[^\\']'/, 'string'],
                [/(')(@escapes)(')/, ['string', 'string.escape', 'string']],
                [/'/, 'string.invalid']
            ],
            qualified: [
                [
                    /[a-zA-Z_][\w]*/,
                    {
                        cases: {
                            '@keywords': { token: 'keyword.$0' },
                            '@default': 'identifier'
                        }
                    }
                ],
                [/\./, 'delimiter'],
                ['', '', '@pop']
            ],
            namespace: [
                { include: '@whitespace' },
                [/[A-Z]\w*/, 'namespace'],
                [/[\.=]/, 'delimiter'],
                ['', '', '@pop']
            ],
            comment: [
                [/[^\/*]+/, 'comment'],
                // [/\/\*/,    'comment', '@push' ],    // no nested comments :-(
                ['\\*/', 'comment', '@pop'],
                [/[\/*]/, 'comment']
            ],
            string: [
                [/[^\\"]+/, 'string'],
                [/@escapes/, 'string.escape'],
                [/\\./, 'string.escape.invalid'],
                [/"/, { token: 'string.quote', next: '@pop' }]
            ],
            litstring: [
                [/[^"]+/, 'string'],
                [/""/, 'string.escape'],
                [/"/, { token: 'string.quote', next: '@pop' }]
            ],
            litinterpstring: [
                [/[^"{]+/, 'string'],
                [/""/, 'string.escape'],
                [/{{/, 'string.escape'],
                [/}}/, 'string.escape'],
                [/{/, { token: 'string.quote', next: 'root.litinterpstring' }],
                [/"/, { token: 'string.quote', next: '@pop' }]
            ],
            interpolatedstring: [
                [/[^\\"{]+/, 'string'],
                [/@escapes/, 'string.escape'],
                [/\\./, 'string.escape.invalid'],
                [/{{/, 'string.escape'],
                [/}}/, 'string.escape'],
                [/{/, { token: 'string.quote', next: 'root.interpolatedstring' }],
                [/"/, { token: 'string.quote', next: '@pop' }]
            ],
            whitespace: [
                [/^[ \t\v\f]*#((r)|(load))(?=\s)/, 'directive.csx'],
                [/^[ \t\v\f]*#\w.*$/, 'namespace.cpp'],
                [/[ \t\v\f\r\n]+/, ''],
                [/\/\*/, 'comment', '@comment'],
                [/\/\/.*$/, 'comment']
            ]
        }
    };
});

